10
495
395
95
7
V I R G I N I A V I R G I N I A
M A R Y L A N D M A R Y L A N D
P
O
T
O
M
A
C
R
I
V
E
R
N
▲
81
270
95
7
66
70
W E S T
V I R G I N I A
495
395
495
28
Mt. Airy
Frederick
Hagerstown
Sykesville
Gaithersburg
Olney
Sandy
Spring
Leesburg
Manassas
Warrenton
Alexandria
Fort Belvoir
Arlington
Bethesda
Falls
Church
Fairfax
Silver
Spring
Wheaton
Washington
33
Culpeper
Front
Royal
Sterling
Fredericksburg
Winchester
Springfield
Reston
Kensington
Annandale
Montgomery
Village
McLean
21
20
Lorton
Mt. Vernon
Woodbridge
Dunn
Loring
23
18
Germantown
17
32
Williamsport
22
Lake Ridge
24
15
29
66
5
1
27
4
14
Ashburn
15
31
28
29
